TABLE 3.

IFA sensitivity determined on the basis of 36 PCR-positive patients

Patient group	No. of patients with the following IFA titer:							Sensitivity (%)
	32	64	128	256	512	1,024	2,048
PCR positive for IgM	6	12	10	4	2			95
PCR positive for IgG		4	3	2	6	10	7	88